Importing Mental Ray Shaders.. Something is wrong...

Good afternoon fellas I have been working in Maya and mental ray. There is literally nothing to this scene besides 4 walls and a floor. I have been creating some common mental ray shaders for myself. The idea was to make a library of shaders I commonly used and export them. This way when I started a project I could just import all the shaders I commonly use.

The problem is that when I import the shaders they come in with a red background behind the text. I have no idea what this means. The shaders point to their respective texture maps correctly, but I am weary to keep going without knowing what this red background means.